gistfile1.txt

.product-box {
  width: 320px; 
  background: $lightgrey;
  clear: both;
  border: 1px 1px 3px 1px solid $grey;
  position: absolute;
  left: 13%;
  z-index: 1;
  .title {
    background: $green;
    margin: 0;
    padding: 5px 20px;
    background-image: url("../img/down-arrow.png");
    background-repeat: no-repeat;
    background-position-x: 270px;
    background-position-y: 25px;
  }
    .active {
        background-image: url("../img/up-arrow.png");
        background-repeat: no-repeat;
        background-position-x: 270px;
        background-position-y: 25px;
    }
  #options input[type='checkbox'] {
    display: none;
    + label {
      display: block;
      width:36px;
      height: 35px;
      vertical-align: middle;
      background: url("../img/checkbox.png") left top no-repeat;
      float: left;
      padding: 5px 0 0 40px;
      margin-bottom: 10px;
      font-size: 18px;
    }
    &:checked + label {
      display: block;
      width:36px;
      height: 35px;
      vertical-align: middle;
      background: url("../img/checkbox-checked.png") left top no-repeat;
      float: left;
      width: 100%;
    }
  }
}

.industry-box {
  width: 320px; 
  background: $lightgrey;
  clear: both;
  border: 1px 1px 3px 1px solid $grey;
  position: absolute;
  right: 13%;
  z-index: 1;
  .title {
    background: $lightblue;
    margin: 0;
    padding: 5px 20px;
    background-image: url("../img/down-arrow.png");
    background-repeat: no-repeat;
    background-position-x: 270px;
    background-position-y: 25px;
  }
    .active {
      background-image: url("../img/up-arrow.png");
      background-repeat: no-repeat;
      background-position-x: 270px;
      background-position-y: 25px;
    }

  #options2 input[type='checkbox'] {
    display: none;
    + label {
      display: block;
      width:36px;
      height: 35px;
      vertical-align: middle;
      background: url("../img/checkbox.png") left top no-repeat;
      float: left;
      padding: 5px 0 0 40px;
      margin-bottom: 10px;
      font-size: 18px;
      width: 100%;
    }
    &:checked + label {
      display: block;
      width:36px;
      height: 35px;
      vertical-align: middle;
      background: url("../img/checkbox-checked-blue.png") left top no-repeat;
      float: left;
      width: 100%;
    }
  }
}